501294136928 has 24 divisors (see below), whose sum is σ = 1062839973888. Its totient is φ = 231366524544.

The previous prime is 501294136877. The next prime is 501294136961. The reversal of 501294136928 is 829631492105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602516576 + ... + 602517407.

It is an arithmetic number, because the mean of its divisors is an integer number (44284998912).

Almost surely, 2^501294136928 is an apocalyptic number.

It is an amenable number.

501294136928 is an abundant number, since it is smaller than the sum of its proper divisors (561545836960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501294136928 is a wasteful number, since it uses less digits than its factorization.

501294136928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205034006 (or 1205033998 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 501294136928 in words is "five hundred one billion, two hundred ninety-four million, one hundred thirty-six thousand, nine hundred twenty-eight".